157538556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21557}}^1$

素因数の和:21603

約数の個数: 72

約数和(自身を含む): 470826720

約数和(自身を除く): 313288164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 21557, 43114, 64671, 86228, 129342, 150899, 194013, 258684, 301798, 388026, 452697, 603596, 625153, 776052, 905394, 1250306, 1358091, 1810788, 1875459, 2500612, 2716182, 3750918, 4376071, 5432364, 5626377, 7501836, 8752142, 11252754, 13128213, 17504284, 22505508, 26256426, 39384639, 52512852, 78769278, 157538556]

約数ペア:

[(1, 157538556), (2, 78769278), (3, 52512852), (4, 39384639), (6, 26256426), (7, 22505508), (9, 17504284), (12, 13128213), (14, 11252754), (18, 8752142), (21, 7501836), (28, 5626377), (29, 5432364), (36, 4376071), (42, 3750918), (58, 2716182), (63, 2500612), (84, 1875459), (87, 1810788), (116, 1358091), (126, 1250306), (174, 905394), (203, 776052), (252, 625153), (261, 603596), (348, 452697), (406, 388026), (522, 301798), (609, 258684), (812, 194013), (1044, 150899), (1218, 129342), (1827, 86228), (2436, 64671), (3654, 43114), (7308, 21557)]